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Vulnerability record · CVE-2026-8095 · published 28 June 2026

CVE-2026-8095: The Frontend File Manager Plugin plugin for WordPress is vulnerable to Authenticated Arbitrary File Deletion i…

The Frontend File Manager Plugin plugin for WordPress is vulnerable to Authenticated Arbitrary File Deletion in versions up to and including 23.6. This is due to a case-sensitive bypass of the wpfm_dir_path parameter sanitization in the wpfm_file_meta_update AJAX handler, where supplying WPFM_DIR_PATH in uppercase evades the unset check and is normalized to wpfm_dir_path by sanitize_key() during update_post_meta(), allowing an attacker to overwrite the stored file path with an arbitrary filesystem path that is then passed directly to unlink() in delete_file_locally() without any directory containment validation. This makes it possible for authenticated attackers with Subscriber-level access to delete arbitrary files on the server, including sensitive files such as wp-config.php, potentially leading to full site takeover.

8.1 CVSS 3.1 High EPSS 0.60% · top 53.3% CWE-73 · CWE-73 Deferred
8.1CVSS 3.1 base score
0.60%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
29 Jun 2026Last modified by NVD

Description

The Frontend File Manager Plugin plugin for WordPress is vulnerable to Authenticated Arbitrary File Deletion in versions up to and including 23.6. This is due to a case-sensitive bypass of the wpfm_dir_path parameter sanitization in the wpfm_file_meta_update AJAX handler, where supplying WPFM_DIR_PATH in uppercase evades the unset check and is normalized to wpfm_dir_path by sanitize_key() during update_post_meta(), allowing an attacker to overwrite the stored file path with an arbitrary filesystem path that is then passed directly to unlink() in delete_file_locally() without any directory containment validation. This makes it possible for authenticated attackers with Subscriber-level access to delete arbitrary files on the server, including sensitive files such as wp-config.php, potentially leading to full site takeover.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

References

LinkTags
https://plugins.trac.wordpress.org/browser/nmedia-user-file-uploader/tags/23.6/inc/file.class.php#L729
https://plugins.trac.wordpress.org/browser/nmedia-user-file-uploader/tags/23.6/inc/files.php#L767
https://www.wordfence.com/threat-intel/vulnerabilities/id/506006ce-7b1c-4f9d-93f3-abc87abea2bb?source=cve

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Source: NIST National Vulnerability Database (record CVE-2026-8095), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.